Prodiamine Effects on Quality and Rooting of Kentucky Bluegrass Turf

Hummel, N.; Fowler, M. Craven; Neal, Joseph C.

doi:10.2135/cropsci1990.0011183x003000050003x

Cited by 8 publications

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“…A recent literature search revealed no other reports of preemergent herbicide safety on ornamental grasses. Possibly herbicides, such as pendimethalin (Herrick and Ilnicki, 1985), benefin (Jagschitz, 1985), benefin plus trifluralin (Sawyer and Jagschitz, 1987), isoxaben (Colbert and Ford, 1987), MON 15100 (Parrish et al, 1988), prodiamine (Hummel et al, 1990), and oxadiazon (Sawyer and Jagschitz, 1987), that are safe on turfgrasses might also be safe on ornamental landscape grasses. However, these products have not been tested for safety on ornamental landscape grasses.…”

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Preemergent Herbicide Safety in Container-grown Ornamental Grasses

Neal¹,

Senesac²

1991

HortSci

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Preemergent herbicide phytotoxicity was evaluated for six species of container-grown ornamental grasses: beach grass (Ammophila breviligulata Fern.), pampas grass [Cortaderia selloana (Schult. & Schult. f.) Asch. & Graebn.], tufted hair grass [Deschampsia caespitosa (L.) Beauvois.], blue fescue [Festuca ovina cv. glauca (Lam.) W.D.J. Koch], fountain grass [Pennisetum setaceum (Forssk.) Chiov.], and ribbon grass (Phalaris arundinacea cv. picta L.). Herbicides included isoxaben, metolachlor, MON 15151, napropamide, oryzalin, oxadiazon, pendimethalin, prodiamine, and trifluralin; the granular combination products of benefin plus trifluralin; and oxyfluorfen plus pendimethalin. Metolachlor, granular or spray, and oryzalin severely injured all species tested, except beachgrass, which was not injured by metolachlor granule. Napropamide injured pampas grass, fountain, grass, blue fescue, and tufted hair grass, but was safe on ribbon grass and beach grass. Pendimethalin, prodiamine, trifluralin; MON 15151, isoxaben, oxyfluorfen plus pendimethalin, and benefin plus trifluralin were safe on all six species. Chemical names used: N-butyl-N-ethyl-2,6-dinitro-4-(trifluoromethyl)benzenamine(benefin);N-[3-(1-ethyl-1-methylpropyl)5-isoxazolyl]-2,6-dimethoxybenzamide(isoxaben);2-chloro-N-(2-ethyl-6-methylphenyll-N-(2-methoxy-1-methylethyl)acetamide (metolachlor); S,S-dimethyl 2-(difluoromethyl)-4-(2-methylpropyl)-6-(trifluoromethyl)-3,5-pyridinedicarbothioate(MON 15151);N,N-diethyl-2-(l-naphthalenyloxy)propanamide (napropamide); 4-(dipropylamino)-3,5-dinitro-benzenesulfonamide (oryzalin); 3-[2,4-dichloro-5-(1-methylethoxy)phenyl]-5-(1,1-dimethylethyl)-1,3,4-oxadiazol-2-(3H)-one (oxadiazon); 2-chloro-1-(3-ethoxy-4-nitrophenoxy)-4-(trifluoromethyl) benzene (oxyfluorfen); N-(1-ethylpropyl)-3,4-dimethyl-2,6-dinitrobenzenamine (pendimethalin); N3,N3-di-n-propyl-2,4-dinitro-6-(trifluoromethyl)-m-phenylenediamine (prodiamine); 2,6-dinitro-N,N-dipropyl-4-(trifluoromethyl)benzenamine (trifluralin).

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Preemergent Herbicide Safety in Container-grown Ornamental Grasses

Neal¹,

Senesac²

1991

HortSci

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“…Demoeden et al (5) reported that prodiamine 65 WDG at 0.56, 1.12, or 2.24 kg ai/ha and pendimethalin 1.7G at 3.36 kg ai/ha significantly reduced root production of a mature stand of perennial ryegrass (Lolium perenne L.) on a golf course fairway and enhanced leaf spot injury. Hummel et al (9) reported rooting, stand density, and quality of Kentucky bluegrass turf decreased with increas ing application rate and frequency of prodiamine. Root mass was 73% of the untreated on annually treated plots compared with 51 % on biennially treated plots receiving a 4.5 kg ai/ha rate of prodiamine.…”

Section: Introductionmentioning

confidence: 99%

Effects of Prodiamine on Tall Fescue (Festuca arundinacea) Rooting

1995

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With the increased development of new tall fescue cultivars used in turf, it is important to understand their individual response to herbicide treatment. The effect of prodiamine on tall fescue root dry weight and root length of selected tall fescue cultivars was studied in the greenhouse in 1.3-m-deep pots of calcined clay. Prodiamine at 0.8 kg ai/ha did not significantly affect either root dry weight or root length. However, the mean root dry weight and maximum root length averaged over all cultivars were significantly reduced at 4 wk after treatment with 1.7 kg/ha. When the prodiamine treatments were repeated in a second experiment, both rates caused a significant reduction in the mean root dry weight and maximum root length but there was no significant difference between prodiamine rates. Single degree of freedom contrasts between the untreated and treated turfs for each cultivar had some differential response in root dry weight. The reduction in root dry weight in the prodiamine treatments was more pronounced in the second study because the turf was less mature. ‘Olympic’ and ‘Rebel’ tall fescue had significantly reduced root dry weight at the 1.7 kg/ha rate in first study; whereas, ‘Amigo,’ Olympic, ‘Sundance,’ and ‘Taurus' tall fescue had significant reduction in root dry weight at both 0.8 and 1.7 kg/ha prodiamine rates. ‘Midnight’ Kentucky bluegrass had significantly reduced root length at both prodiamine rates in the second experiment but in general there was little difference among tall fescue cultivars treated with prodiamine.

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“…Sybouts (9) reported that prodiamine provides good lReceived for publication Oct. 6,1993 long-term control of annual grass weeds in established turf. Prodiamine at 0.56 and 1.12 kglha controlled large crabgrass 93 and 95% respectively at 27 wk after spring applications.…”

Section: Introductionmentioning

confidence: 99%

Fall Application of Prodiamine for Spring Crabgrass (Digitariaspp.) Control

Fermanian

Haley

1994

Weed technol.

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Fall application of a PRE herbicide offers professional lawncare applicators additional flexibility in scheduling necessary weed control operations. A 3-yr field study was established on common Kentucky bluegrass in Urbana, IL to examine the effectiveness of fall- or spring-applied prodiamine and DCPA for spring large and smooth crabgrass control. Prodiamine was effective for crabgrass control in turf (≥ 91% control) when applied in spring at ≥ 0.4 kg/ha or when it was applied in the fall at ≥ 0.6 kg/ha (≥ 82% control). In most cases, fall-applied prodiamine at the 0.8 kg/ha rate (≥ 91% control) controlled crabgrass as well as spring-applied DCPA at the 11.8 kg/ha rate (≥ 94% control). Little reduction in turf quality (≥ 8.3) occurred when prodiamine was applied in the fall at 0.8 kg/ha or less. Only when prodiamine was applied at 2.2 kg/ha was there significant quality loss (7.3) with spring applications. In a second experiment to evaluate split fall and spring prodiamine applications for crabgrass control, all split applications had 100% crabgrass control which was not significantly different from single applications of ≥ 1.4 kg/ha.

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Prodiamine Effects on Quality and Rooting of Kentucky Bluegrass Turf

Cited by 8 publications

References 0 publications

Preemergent Herbicide Safety in Container-grown Ornamental Grasses

Preemergent Herbicide Safety in Container-grown Ornamental Grasses

Effects of Prodiamine on Tall Fescue (Festuca arundinacea) Rooting

Fall Application of Prodiamine for Spring Crabgrass (Digitariaspp.) Control

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